Please note that this unit is combination of River 3 Plus (286Wh) + EB600 Smart Extra Battery (572Wh).

Massive Capacity in a Compact Design.

The EcoFlow RIVER 3 Max Plus is the powerhouse of the RIVER 3 series, built for those who need serious runtime without the bulk of a large generator. By combining the RIVER 3 Plus with an extra battery, this unit delivers an impressive 858Wh of capacity, giving you the freedom to stay off-grid longer.

Whether you are powering a campsite for the weekend, running essential appliances during a blackout, or keeping your mobile workstation live, the RIVER 3 Max Plus offers the perfect balance of portability and endurance.

Key Features:

• 🔋 Huge 858Wh Capacity: This "Max Plus" edition comes pre-configured with expanded battery capacity, offering nearly triple the runtime of the standard model. Perfect for longer camping trips or extended backup power.

• ⚡ Fast Recharging (0-100% in 1.8 Hours): Spend less time tethered to a wall. Using AC power, you can top up this massive battery in under 2 hours, ensuring you are always ready to go.

• 🚀 600W Output (Surge 1200W): Equipped with X-Boost technology, it can power devices up to 1200W, making it capable of running 90% of essential consumer electronics like portable fridges, fans, and laptops.

• 🤫 Whisper Quiet (<30dB): Enjoy the sounds of nature, not your generator. It operates at a library-quiet volume, making it ideal for sleeping in tents or RVs.

• 🛡️ 10-Year Lifespan (LiFePO4): Built with durable LFP battery chemistry, this unit is rated for 3,000+ cycles before hitting 80% capacity. That means you can use it nearly every day for a decade.

• 💻 Professional-Grade UPS: Protect your sensitive electronics. With a <10ms switchover speed, it acts as an uninterruptible power supply for your computer or medical devices during sudden outages.

• 🌧️ Rugged & Reliable: Features IP54 battery protection against dust and water splashes, plus a fire-retardant shell that is drop-resistant up to 1 meter.

What Can It Power?

• Mini Fridge: ~12-16 hours

• CPAP Machine: ~2-3 nights (depending on pressure/humidifier)

• Smartphones: ~60+ charges

• Laptops: ~10+ charges

• LED Lights: ~70+ hours

Specifications

• Capacity: 858Wh (71.5Ah @ 12V)

• AC Output: 600W (Surge 1200W) | X-Boost 1200W

• Battery Type: LiFePO4 (LFP)

• Cycle Life: 3000 cycles to 80%+ capacity

• AC Charging: 0-100% in 1.8 hours (640W Max)

• Solar Input: 220W Max (Fully charges in as fast as 4.8 hrs)

• Car Input: 12V/24V, 8A (Fully charges in ~10 hrs)

• Ports: 3x AC Outlets, 2x USB-A, 2x USB-C (100W), 1x Car Outlet

• Dimensions: 234 x 232 x 286 mm

• Weight: Approx. 10.8kg

• Connectivity: Wi-Fi & Bluetooth (App Supported)

In The Box

Downloads

User Manual